MARTIN COUNTY — Martin County sheriff’s officials arrested at least seven people this month after a series of undercover drug cases largely involving the painkiller Opana ER and confidential sources, affidavits state.

They’d usually arrange for the source to meet at Ingram’s home in the 1000 block of Southwest 35th Street in Palm City for the transaction, typically 20 pills for $1,000. In at least one case, Ingram removed the pills from a microwave.

Ingram was referred to as “Grandma.” Often they used coded terminology, such as “minutes” referring to dollar amounts and “eating lunch” to mean a drug transaction.

While the incidents are alleged to have happened several months ago, the arrests happened beginning this month.

According to the FDA, Opana ER (oxymorphone hydrochloride) was first approved in 2006 to manage pain. It was changed to try to make it more difficult to abuse, but the FDA in June 2017 asked that it be removed from the market “because the benefits no longer outweigh the risks.” Endo Pharmaceuticals in July 2017 announced it would take it off the market.

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Sheriff’s investigators on Saturday executed a search warrant on the home, which is less than a mile from Ingram’s listed residence. Esposito was arrested after officials reported finding a small amount of cocaine.

After the alleged drug deals in August involving Landis and Ingram, investigators according to affidavits arranged Opana deals with James Buddy Williams Jr., 49, of the 4900 block of Southeast Primrose Way. In at least one instance, Opana pills were referred to as “Panda Bears.”

Deals involving Williams happened in September and December, affidavits show. During one encounter, a confidential source watched Williams and another person “cook up” Opana and inject it, records state.

Three others with alleged links to the Southeast Primrose Way house — Alesha Johnson, 37; Raymond Fortugno, 55; and Candis Rollyson, 47 — also were arrested. The home is south of Southeast Cove Road and just west of Southeast Dixie Highway.

Rollyson was accused in February of soliciting an investigator to buy Opana. Fortugno is accused in September of selling an informant one Opana pill. Johnson is accused in September and February of felony drug-related offenses.